If you’ve followed this blog, you know I have liked using MongoDB for a while – until it went to a service model on big hardware. I’ve written extensively about running MongoDB on Raspberry Pi hardware — from the Pi…
I’m frequently asked about running MongoDB on Raspberry PI. My old binaries, on this blog, no longer work as some required libraries have evolved and/or have lost support and distribution. All is not lost! You CAN run the latest version…
As mentioned in my other posts, I like to use no-SQL, document-oriented, databases for my various projects. My favorite is MongoDB but that requires running Ubuntu OS on the Raspberry Pi. I also use CouchDB and it has worked nicely…
A decent DIY Allsky Camera can easily cost over $400 USD to build. A “low-cost” Raspberry Pi 4B based system with HQ camera and wide-angle lens with enclosure will cost over $250 USD to build. If that price range is…
A couple of months back, I put together an all sky camera system for the Martz-Kohl Observatory near Jamestown, in Western New York. An all sky camera provides a (near) 180-degree fisheye view of the sky. This project was a…
Have a Raspberry Pi 4 with 4GB or 8GB of RAM and want to run the popular noSQL database, MongoDB? Read on for installing and running the latest 64-bit versions of MongoDB and Ubuntu 20.04. The short (TL;DR) instructions are…
What is MathTerms? Here is the description from the Apple App Store. MathTerms is an illustrated glossary of mathematics terms in English and Spanish. The free iOS app includes almost 500 entries for middle- and high-school mathematical concepts. To help…
View your Raspberry Pi (Zero, 2, 3, 4) display on-the-go without VNC or prior configuration. Great inexpensive device for your toolbox! Laptop required 🙂 I have a bunch of R-Pis of various flavors. I also use R-Pi cameras (regular, IR…